HireVietnamese - Lesson 2

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iPhone App Development Tutorial

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HireVietnamese - Lesson 2

  1. 1. HIREVIETNAMESEiPhone Training Lesson 2
  2. 2. http://www.hirevietnamese.com HIREVIETNAMESE Contents 1 iPhone UI Design Considerations 2 Application Layout 3 iPhone UI Element Overview 4 Example 2 5 Exercise 2 2
  3. 3. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  The iPhone is not a desktop system.  The Apple iPhone is a powerful smart phone that is being used to improve the productivity of user. To design simple, successful iPhone app user interfaces, keep in mind the unique attributes of the iPhone.  Eat with it, sleep with it, drink with it, live with it. 3
  4. 4. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  Small Screen  Limit the number of controls  Break a single complex app into two or more apps with very different functions. 4
  5. 5. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  One screen at a time 5
  6. 6. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  One app at a time(iOS < 4)  Save user-entered data immediately.  Show the saved data the next time users open the app. 6
  7. 7. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  Hand/Finger Input  UI Elements must be big enough to hit with a finger.  Finger tapping means the pointer can just disappear. Rollover effects don’t work well.  Multi-touch events 7
  8. 8. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  No External Keyboard  No physical keyboard on iPhone.  On-screen keyboard appears when needed.  Multi keyboard types are available. 8
  9. 9. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  Device Orientation 9
  10. 10. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  Device Orientation  Applications are notified when device rotates portrait to landscape and back.  Can also find absolute orientation. 10
  11. 11. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Design Considerations  No training The strongest asset of the iPhone is its ease of use. The simple user interface usually allows users to get their tasks done without training or reading online Help. Analyze your users, their needs and design a very simple, intuitive user interface that allows users to operate your app without training or Help 11
  12. 12. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Tab Bar Control Tab control always visible 12
  13. 13. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Tab Bar Control Use in:  Applications with different models.  Applications with different subtasks related to the overall app function. Many standard icons are provided. 13
  14. 14. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Navigation Bars 14
  15. 15. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Navigation Bars  Like navigating a web site.  Start with high-level general view.  “Back” buttons automatic.  Changes are animated. 15
  16. 16. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Table Views 16
  17. 17. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Table Views  Single column only.  But custom cells can offer more flexibility.  Can use multiple custom cell types in the same table. 17
  18. 18. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Toolbars 18
  19. 19. http://www.hirevietnamese.com HIREVIETNAMESE Application Layout  Toolbars  Provide quick access to common actions.  Usually at the bottom in the iPhone Apps .  Many standard icons are provided. 19
  20. 20. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Element Overview  Switch control  iPhone version of a checkbox control.  Change states on tap or drag. 20
  21. 21. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Element Overview  Segmented control  iPhone version of a radio buttons. 21
  22. 22. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Element Overview  Pickers  Another way to have users select from a list of values.  Can have multiple columns. 22
  23. 23. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Element Overview  Activity Indicators  If you need to show one for very long.  The system provides standard network activity indicator in status bar. 23
  24. 24. http://www.hirevietnamese.com HIREVIETNAMESE iPhone UI Element Overview  Alert Views Use in:  When user has more than one option for an action.  When you need to confirm an action. 24
  25. 25. http://www.hirevietnamese.com HIREVIETNAMESE Example 2 25
  26. 26. http://www.hirevietnamese.com HIREVIETNAMESE Exercise 2 26
  27. 27. HIREVIETNAMESE

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